CVE Watch—

CVE-2021-38003

Google Chromium V8 Memory Corruption Vulnerability

CVSS

—

No CVSS

EPSS

38.6%

p99

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

38.6%EPSS · 30 days38.6%

2026-09-172026-10-15

KEV catalog record

Product

Google / Chromium V8

Vulnerability

Google Chromium V8 Memory Corruption Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

Summary description

Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-38003

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